Finding the Fourth Proportional to 1,228,462.12, 1,695,279.36 and 684,586
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Solution
The fourth proportional to 1,228,462.12, 1,695,279.36 and 684,586 is: 944,729.59
Step by Step Solution
- Step 1: Write the proportion equation
1,228,462.12 : 1,695,279.36 = 684,586 : x - Step 2: Convert to fraction form
1,228,462.12/1,695,279.36 = 684,586/x - Step 3: Cross multiply
1,228,462.12x = 1,695,279.36 × 684,586 - Step 4: Simplify right side
1,228,462.12x = 1,160,564,515,944.96 - Step 5: Solve for x
x = 1,160,564,515,944.96/1,228,462.12 - Step 6: Final answer
x = 944,729.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.